diff --git a/Rakefile b/Rakefile
index 4f42ec8..1c3e9ce 100644
--- a/Rakefile
+++ b/Rakefile
@@ -61,7 +61,7 @@ end
 
 desc "Run all specs"
 Spec::Rake::SpecTask.new('spec') do |t|
-	t.spec_files = FileList['spec/*_spec.rb']
+	t.spec_files = FileList['spec/**/*_spec.rb']
 end
 
 desc "Print specdocs"